(19)

(11)

EP 2 619 696 A1

(12)

(43) Date of publication: 31.07.2013 Bulletin 2013/31 (21) Application number: 11827230.1 (22) Date of filing: 13.09.2011

(51) International Patent Classification (IPC):  G06F 17/30(2006.01) G06F 15/16(2006.01) (86) International application number: PCT/US2011/051319 (87) International publication number: WO 2012/039992 (29.03.2012 Gazette 2012/13)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 24.09.2010 US 889574 (71) Applicant: Hitachi Data Systems Corporation Santa Clara, CA 95050 (US)	(72) Inventors: CRUMP, Jeffrey M. Wakefield, Massachusetts 01881 (US) TIRADO, Margie E. Lexington, Massachusetts 02420 (US) (74) Representative: MERH-IP Matias Erny Reichl Hoffmann  Paul-Heyse-Strasse 29 80336 München 80336 München (DE)